Building a AR10, LMT 6.5 CM and have the optic already 34mm tube, and didn’t know about the height of mount /MOA that I should be getting, Going to buy a Spuhr mount, my local range is up to 250 yards and have another range that goes out to 500 yards, both of which will be most of my shooting, but if it goes according to plan will want to push out to 1000 yards after skills prove so , thanks in advance